Top similar games like Overrun Protocol:

Navigate through an underground parking lot in search of four important cars. Armed with only a phone, evade the abnormals that are sent to intercept you and make it out alive.

A multiplayer survival horror game where players must choose their allies carefully to survive imminent danger. In this social-deduction game players won't know who to trust with their lives.

Explore beyond the constant dust storm and discover the alien horrors on red wastelands. Hide from human-sized centipedes in the darkest corners and run away while being hunted by a giant blood-thirsty snake. Use your gadgets to plan ahead your next travel on the surface to avoid looming death

THE HIGHRISE is a first-person survival game set in a high-rise building that has been sealed off by an alien monster invasion. Gather resources to make fighting weapons and survival tools. You must find and send a rescue signal at the end of your desperate survival.

A survival horror game where light is scarier than darkness. Use your radar and other tools to stay out of the light, sneak around dangers, explore the quarantined ship, and find a way to escape. But be careful, monsters are hunting you and are aware of your every mistake!

Astraeus Odyssey is a 1–4 player co-op sci-fi survival game where you explore alien worlds, build bases, and struggle to keep your crew alive after the fall of your home planet. You’ll manage resources, navigate hostile environments, and endure supernatural threats as you search for a new home.

BTGZ:FC is a sci-fi horror game where you control an RC drone to explore a dangerous new dimension. Navigate a vast network of tunnels and Survive hostile entities and anomalies using specialized tools and devices built specifically for the drone, and rely on transmitter antennas to travel.

"Reality" is a single-player horror game where you pursue the truths forgotten at your former school. One day, you realize you're at the school in the dead of night. Between reality and fantasy, you seek the forgotten truth about a female student and embark on a journey to confront your own past.

Experience a visually stunning solo survival horror built in Unreal Engine 5. Navigate through 17 unique levels filled with haunting environments, challenging parkour, and lurking entities. Immerse yourself in the chilling atmosphere as you fight to escape the horrors of the Backrooms

An immersive FPS adventure set in a dark and surreal scifi world

The Hollow Complex is an action-filled survival thriller inspired by Backrooms lore. Dive into a dark and twisted rendition of internet folklore that actually allows you to fight back! Explore, scavenge, solve puzzles, and find a way out of an endless labyrinth.

Survive a parasite-infested world where players and horrors hunt you. Scavenge, craft, and outsmart rivals for resources —the hive adapts. Will you outlast the pack, or feed the infection?

Excised is an action horror fugitive sim where you must escape a horrific dystopian city by using traps, ambushes, stealth, mysterious powers, and environmental exploits, or brutal combat, in order to gain your freedom and unravel the mystery that set your fate into motion.

Backrooms: Noise is a cooperative horror game for 1-4 players. Explore a dimension where even silence doesn't sound right. The world doesn't explain itself - and the more you try to understand it, the further you feel from the answers.

Backrooms: Forgotten Floors is a cooperative horror game for 1–4 players. Descend into levels no one remembers, through spaces that shouldn't exist. You're here now — and the only thing worse than being lost is being noticed.

Backrooms: Final Exam is a cooperative horror game for 1-4 players, Where you will explore this complex and intricate dimension with your friends or alone, trying to figure out what to do, wandering around and being scared by every sound, you will need to pass your final exam!

Backrooms: The True Level is a cooperative horror game for 1–4 players. Together or alone, you will explore this level trying to understand whether it is real, but can the darkness in this world be peaceful?

Backrooms: The Silence is a cooperative horror game for 1-4 players, where you have to explore and fight the game master on your own, use your own abilities to survive in this complex world, play with your friends to get the full range of emotions!

Mass Invasion is an open-world co-op survival horror tactical shooter where you must survive against zombie hordes and alien invaders while searching for your pregnant wife.

LIMINAL is a challenging first-person psychological horror and survival game. You are faced with an unfamiliar environment of which, you know nothing. Your life is fragile, and your death is permanent. Think before you act, and hide before you run.

In the gripping world of VORAX survival takes on a new terrifying dimension. As you step into this Open World Survival Horror game brace yourself for a journey where every moment is a battle for survival. Every choice, every move, every breath could be your last. Are you ready to face the unknown?

Welcome to the Overground, you are trapped in a wide valley that you need to escape from, but of course, the valley is populated by dozens of monsters that will kill you as soon as they see you.

Works of art are attacking people, turning an exhibition into a bloodbath in a single night. At the same time, you – a phantom thief – happen to be there to steal a valuable masterpiece.

While trying to survive in harsh natural conditions, use resources wisely, avoid dangers, and test your survival instincts. A realistic survival experience awaits you!

The year is 1809, and you have set out to find your fortune on the new frontier! But beware: the cryptic creatures of legend are more than just campfire stories out here... Wendigos, Skinwalkers, Yetis and more are all too real in this newfound wilderness. Build, craft, and fight to survive!

"God save you if you hear something wandering around nearby, because it sure as hell has heard you..."

Backrooms Doors - This is an atmospheric first-person horror game. Explore spaces that can't exist in the real world and find your way out before the entities find you.

Goner is a thrilling new take on open-world survival games. Adapt, learn and overcome. You can’t fight the environment. You are not at the top of the food chain. YOU ARE ISOLATED.

In a survival struggle, take on roles of three unique classes, gather resources, evade horrifying creatures, and protect the Sanctuary in a world filled with mysterious events. Explore the open world with vehicles and engage in strategic cooperation.